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Estimate ofpopulationcharacteristicsincludingdisease.Estimate ofcharacteristicsincludingdisease.Calculatepopulationattributable .
Inapopulationbasedstudyinvestigatorsobservesubjectsandmeasurevariablesofinterestwithoutassigningtreatmentstothesubjectsto:
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Risk
Distribution
Prevalence
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Question5.